package com.cch.examSystem.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.cch.examSystem.entity.CategoryRelation;

public class GetCategory extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public GetCategory() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		this.doPost(request, response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String flag=request.getParameter("type");
		
		List<CategoryRelation> list=new ArrayList();
		list.add(new CategoryRelation(1,"IT",0,"2017-01-01 05:05:05",1));
		list.add(new CategoryRelation(2,"数学",0,"2017-01-01 05:05:05",1));
		list.add(new CategoryRelation(3,"C",1,"2017-01-01 05:05:05",1));
		list.add(new CategoryRelation(4,"python",1,"2017-01-01 05:05:05",1));
		list.add(new CategoryRelation(5,"java",1,"2017-01-01 05:05:05",1));
		list.add(new CategoryRelation(6,"scala",1,"2017-01-01 05:05:05",1));
		list.add(new CategoryRelation(7,"高数",2,"2017-01-01 05:05:05",1));
		list.add(new CategoryRelation(8,"数学与应用数学",2,"2017-01-01 05:05:05",1));
		list.add(new CategoryRelation(9,"信息与计算科学",2,"2017-01-01 05:05:05",1));
		request.setAttribute("category",list);
		request.setAttribute("type",flag);
			RequestDispatcher re=request.getRequestDispatcher("./manager/GetCategory.jsp");
			re.forward(request, response);
	
		
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}
